CN115900600A - Deep hole straightness and contour detection device and detection method - Google Patents
Deep hole straightness and contour detection device and detection method Download PDFInfo
- Publication number
- CN115900600A CN115900600A CN202310139095.4A CN202310139095A CN115900600A CN 115900600 A CN115900600 A CN 115900600A CN 202310139095 A CN202310139095 A CN 202310139095A CN 115900600 A CN115900600 A CN 115900600A
- Authority
- CN
- China
- Prior art keywords
- deep hole
- detection
- moving mechanism
- straightness
- light spot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
The detection device comprises a moving mechanism, an axial lead detection mechanism and a contour detection mechanism, wherein the moving mechanism is arranged in a deep hole in a manner of moving along any bus of the inner wall of the deep hole; the axial lead detection mechanism comprises a structured light spot source fixed on the moving mechanism and detection assemblies arranged at the deep hole openings at intervals; the contour detection mechanism comprises a distance measurement sensor fixed on the moving mechanism and a driving assembly for driving the distance measurement sensor to rotate by taking the axis of the deep hole as the center of a circle. The scheme can solve the problems that the existing detection method is difficult to operate, has low detection precision and can not meet the requirements of related industries.
Description
Technical Field
The application relates to the technical field of mechanical part measurement, in particular to a device and a method for detecting straightness and contour of a deep hole.
Background
The deep-hole parts are widely applied to important fields such as military affairs, aerospace and energy exploration, and during the production process of the deep-hole parts, the straightness of the axial lead and the hole profile shape of the deep-hole parts are often detected, and unqualified parts are straightened and corrected in time, so that the quality of the deep-hole parts is better evaluated and guaranteed.
However, the length-diameter ratio of deep-hole parts is large, and the internal space is narrow, so that the currently used detection method is difficult to operate, the detection precision is not high, and the requirements of related industries cannot be met.
Disclosure of Invention
The application aims to provide a deep hole straightness and contour detection device and a detection method, and aims to solve the problems that an existing detection method is difficult to operate, low in detection precision and incapable of meeting requirements of related industries. The specific technical scheme is as follows:
in a first aspect, the present application provides a deep hole straightness and contour detection device, including:
the moving mechanism is arranged in the deep hole in a manner of moving along any bus of the deep hole;
the shaft axis detection mechanism comprises a structured light spot source fixed on the moving mechanism and detection assemblies arranged at the deep hole openings at intervals;
the contour detection mechanism comprises a distance measurement sensor fixed on the moving mechanism and a driving assembly for driving the distance measurement sensor to rotate by taking the axis of the deep hole as the center of a circle;
the initial positions of the structured light spot source and the ranging sensor are located at the axle center of the deep hole, light rays emitted by the structured light spot source extend along the axial direction of the deep hole and face the orifice of the deep hole, and a probe of the ranging sensor faces the inner wall of the deep hole.
The application provides a deep hole straightness accuracy and profile detection device sets up the initial position of structure light spot source and range sensor and is in the axis of deep hole on, and the light of structure light spot source transmission propagates to the drill way department of deep hole along the axial, utilizes the light position of detection assembly detection structure light spot source transmission, obtains the axle center position of deep hole.
Meanwhile, the driving assembly in the contour detection mechanism drives the ranging sensor to rotate by taking the axis of the deep hole as the circle center, and in the rotating process, the distance between the probe of the ranging sensor and any bus of the inner wall of the deep hole is obtained, so that the contour of the inner wall of the deep hole at the axial position is obtained.
The structural light spot source of the axial lead detection mechanism and the profile detection mechanism are driven by the moving mechanism to move along any bus in the deep hole, the axial position and the inner wall profile of the deep hole at different axial positions are repeatedly obtained, and the straightness and profile detection result is obtained based on the structure of the reconstructed deep hole.
Therefore, the technical scheme that this application provided does not receive the restriction that deep hole class part draw ratio is big, the inner space is narrow and small, conveniently operates, and simple structure, low cost, and the detection precision improves.
In some embodiments of the present application, the detection assembly comprises:
the imaging panels are arranged at the orifices of the deep holes at intervals and are perpendicular to the axial lead of the deep holes;
the two industrial cameras are symmetrically arranged on the outer side of the deep hole, and CCD lenses of the two industrial cameras are focused on the imaging panel.
In some embodiments of the present application, the detection apparatus further includes an upper computer, and the upper computer is provided with:
the image acquisition module is used for receiving detection data acquired by the detection assembly and the distance measurement sensor;
the data processing module is used for processing the detection data acquired by the image acquisition module;
and the display module is used for displaying the processing result of the detection data.
In some embodiments of the present application, the drive assembly is a pan-tilt motor;
the detection device also comprises a controller and a hub motor which are arranged on the moving mechanism;
the controller is connected with the upper computer through wireless communication to receive a control instruction sent by the upper computer;
the holder motor and the hub motor are used for receiving the control instruction transmitted by the controller so as to drive the moving mechanism to move and the distance measuring sensor to rotate.
In some embodiments of the present application, the controller is further connected to the ranging sensor and the structured light spot source, respectively.
In some embodiments of the present application, the detection device further comprises an adjusting screw disposed perpendicular to the axial line of the deep hole;
one end of the adjusting screw is in threaded connection with the moving mechanism, and two sides of the other end of the adjusting screw are fixedly connected with the driving assembly and the structured light spot source respectively.
In some embodiments of the present application, the detection device further comprises a lithium battery fixed on the moving mechanism;
the lithium battery is respectively electrically connected with the controller, the structured light spot source, the hub motor, the holder motor and the distance measuring sensor to supply power for the hub motor, the holder motor and the distance measuring sensor.
In a second aspect, the present application further provides a deep hole straightness and contour detection method, including the following steps:
s1, placing the moving mechanism at a certain axial position in the deep hole, starting the structured light spot source and the industrial cameras, axially transmitting light rays emitted by the structured light spot source to the imaging panel along the deep hole to form light spots, and acquiring images of the light spots by using CCD (charge coupled device) lenses of the two industrial cameras;
s2, the upper computer sends a control instruction to the controller, and the controller distributes the control instruction to the driving assembly to enable the driving assembly to drive the distance measuring sensor to rotate by taking the axis of the deep hole as a circle center;
opening the distance measuring sensor, and measuring the distance between the probe of the distance measuring sensor and any bus of the inner wall of the deep hole in real time in the rotating process;
s3, the industrial camera and the ranging sensor send detection data to the upper computer, and the axial center and the inner contour of the deep hole at the axial position are obtained through processing;
s4, the upper computer sends a control instruction to the controller, and the controller distributes the control instruction to the hub motor and drives the moving mechanism to move along any bus in the deep hole;
and in the moving process, repeating the steps S1-S3 to obtain the axle center and the inner wall contour at different axial positions of the deep hole.
The application provides a deep hole straightness accuracy and profile detection method, does not receive the influence of deep hole part draw ratio, and the testing process is simple, realizes easily, and detects the precision height.
In some embodiments of the present application, before the detection, the screwing depth of the adjusting screw in the moving mechanism is further adjusted according to the inner diameter of the deep hole, so that the initial positions of the driving assembly and the structured light spot source are located on the axis of the deep hole.
In some embodiments of the application, in step S3, the upper computer uses the image acquisition module to obtain the detection data, transmits the detection data to the data processing module for processing, and sends the processing result to the display module for display.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a deep hole straightness and contour detection device provided in the present application;
FIG. 2 is a schematic structural diagram of a profile detection mechanism in the deep hole straightness and profile detection apparatus of FIG. 1;
fig. 3 is a schematic view of a detection flow of the deep hole straightness and contour detection apparatus shown in fig. 1.
The reference numerals in the drawings are explained as follows:
1-a moving mechanism, 11-a hub motor;
2-deep hole;
3-axis line detection mechanism, 31-structured light spot source, 32-detection component, 321-industrial camera, 322-imaging panel;
4-contour detection mechanism, 41-drive assembly, 42-distance measuring sensor;
5-upper computer, 51-image acquisition module, 52-data processing module, 53-display module;
6-adjusting screw, 7-controller, 8-lithium battery.
Detailed description of the preferred embodiments
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
In order to solve the problems that the existing detection device and method are difficult to operate, low in detection precision and incapable of meeting requirements of related industries, the embodiment of the application provides a deep hole straightness and contour detection device. The deep hole straightness and contour detection device and the detection method provided by the embodiments of the present application are described in detail below with reference to the attached drawings of the specification.
As shown in fig. 1 and fig. 2, a deep hole straightness and contour detection device provided in an embodiment of the present application includes a moving mechanism 1, an axis line detection mechanism 3, and a contour detection mechanism 4.
The moving mechanism 1 is arranged in the deep hole 2 in a manner of moving along any generatrix of the inner wall of the deep hole 2, the axial lead detection mechanism 3 comprises a structured light spot source 31 fixed on the moving mechanism 1 and detection assemblies 32 arranged at the opening of the deep hole 2 at intervals, and the contour detection mechanism 4 comprises a distance measurement sensor 42 fixed on the moving mechanism 1 and a driving assembly 41 for driving the distance measurement sensor 42 to rotate by taking the axis of the deep hole 2 as the center of a circle.
The initial positions of the structured light spot source 31 and the ranging sensor 42 are located at the axle center of the deep hole 2, the light emitted by the structured light spot source 31 extends along the axial direction of the deep hole 2 and faces the orifice of the deep hole 2, and the probe of the ranging sensor 42 faces the inner wall of the deep hole 2.
The distance measuring sensor 42 can adopt a laser distance measuring sensor, an ultrasonic distance measuring instrument, an infrared distance measuring sensor and the like, and a probe of the distance measuring sensor 42 is perpendicular to the axial lead of the deep hole 2 and faces the inner wall of the deep hole 2; a motor, a rotating handle, etc. can be used as the driving component 41 to drive the distance measuring sensor 42 to rotate.
The deep hole straightness and contour detection device provided by the application sets the initial positions of the structured light spot source 31 and the ranging sensor 42 on the axis of the deep hole 2, the light emitted by the structured light spot source 31 is transmitted to the orifice of the deep hole 2 along the axial direction, and the position of the light emitted by the structured light spot source 31 is detected by the detection assembly 32, so that the axis position of the deep hole is obtained.
Meanwhile, the driving assembly 41 in the contour detection mechanism 4 drives the distance measurement sensor 42 to rotate by taking the axis of the deep hole 2 as the center of a circle, in the rotating process, the distance measurement sensor 42 emits laser, infrared rays, ultrasonic waves and the like which face the inner wall of the deep hole 2, the distance between the probe of the distance measurement sensor 42 and any bus of the inner wall of the deep hole 2 is obtained by detecting the echo of the inner wall of the deep hole 2, and then the contour of the inner wall of the deep hole 2 at the axial position is obtained.
The moving mechanism 1 drives the structured light spot source 31 and the contour detection mechanism 4 of the axial lead detection mechanism 3 to move along any bus in the deep hole 2, the axial position and the inner wall contour of the deep hole 2 at different axial positions are repeatedly obtained, and the structure of the deep hole 2 is reconstructed based on the axial position and the inner wall contour, so that the straightness and contour detection result is obtained.
Consequently, the technical scheme that this application provided does not receive the restriction that deep hole class part draw ratio is big, the inner space is narrow and small, conveniently operates, and simple structure, low cost, and it improves to detect the precision.
As shown in fig. 1, in some embodiments of the present application, the inspection assembly 32 includes an imaging panel 322 and two industrial cameras 321, the imaging panel 322 is spaced apart at the aperture of the borehole 2 and perpendicular to the axial centerline of the borehole 2; the two industrial cameras 321 are symmetrically arranged outside the deep hole 2, and the CCD lenses of the two industrial cameras 321 are focused on the imaging panel 322.
In this embodiment, the imaging panel 322 is disposed at the orifice of the deep hole 2 to display the light spot emitted by the structured light spot source 31, the two industrial cameras 321 are used to obtain the position of the light spot on the imaging panel 322, and further the axial positions of the series of moving mechanisms 1 at different axial positions in the deep hole 2 are obtained, the detection process is simple, and the accuracy is high.
As shown in fig. 3, in some embodiments of the present application, the detection apparatus further includes a host computer 5, and an image acquisition module 51, a data processing module 52 and a display module 53 are disposed in the host computer 5.
The image acquisition module 51 is used for acquiring detection data acquired by the detection assembly 32 and the ranging sensor 42 and transmitting the detection data to the data processing module 52; the data processing module 52 is configured to process the detection data collected by the image collecting module 51, and send the processing result to the display module 53 for display.
In this embodiment, the detection results of the distance measuring sensor 42 and the detection assembly 32 are transmitted to the image acquisition module 51 in the upper computer 5, the data processing module 52 is used to process the detection results, the data processing efficiency is improved, and the display module 53 is used to display the data processing results, so that the user can visually check the quality of the deep hole 2, and can process the deep hole in time, thereby improving the efficiency and effect of deep hole detection.
In some embodiments of the present application, the driving component 41 is a pan/tilt motor, and the detecting device further includes a controller 7 and a hub motor 11 fixed on the moving mechanism 1.
The controller 7 is connected with the upper computer 5 through wireless communication to receive the control command sent by the upper computer 5 and respectively send the control command to the holder motor and the hub motor 11 so as to drive the moving mechanism 1 to move and the distance measuring sensor 42 to rotate.
Wherein, can use two in-wheel motor 11 drive moving mechanism 1, conveniently control moving mechanism 1 and go straight along the arbitrary generating line of 2 inner walls of deep hole, detection error that direction change leads to when avoiding moving mechanism 1 to remove.
In this embodiment, the controller 7 is connected to the upper computer 5 through a wireless network, and is configured to receive a control instruction sent by the upper computer 5, convert the control instruction into corresponding pulse signals through the first timer/counter and the motor driving module, and send the pulse signals to the hub motor 11 and the pan/tilt motor, respectively, control the rotation speed and the angle of the hub motor 11 and the pan/tilt motor, and further cause the moving mechanism 1 to move a certain distance in a predetermined direction, and the distance measuring sensor 42 rotates a specific angle. By using the controller 7 to control the hub motor 11 and the pan/tilt motor, the accuracy of controlling the movement of the moving mechanism 1 and the rotation of the distance measuring sensor 42 is improved, and the detection efficiency is improved.
In some embodiments of the present application, the controller 7 is further connected to the ranging sensor 42 and the structured light spot source 31, respectively.
The distance measuring sensor 42 may be connected to the controller 7 through a second timer/counter to transmit the acquired distance data to the controller 7, and the controller 7 is in wireless communication with the image acquisition module 51 in the host computer 5 to transmit the distance data to the image acquisition module 51.
Since the distance measuring sensor 42 is arranged on the moving mechanism 1, the distance from the upper computer 5 depends on the hole depth of the deep hole 2. If the hole depth of the deep hole 2 is too large, the distance measuring sensor 42 and the upper computer 5 are directly connected through a connecting line, so that the connecting line is too long, the arrangement and detection of a detection device are affected, signal interference exists, and the detection efficiency and precision are reduced; therefore, the detection data of the distance measuring sensor 42 is transmitted to the controller 7 arranged on the moving mechanism 1 and then transmitted to the image acquisition module 51 in the upper computer 5 through wireless communication, so that the structure of the detection device can be simplified, and the detection efficiency and precision can be improved.
Meanwhile, the user can also input the switch control signals of the ranging sensor 42 and the structured light spot source 31 in the upper computer 5, and the switch control signals are transmitted to the controller 7 through wireless communication, so that the switching of the ranging sensor 42 and the structured light spot source 31 is conveniently controlled.
In some embodiments of the present application, the detection device further comprises an adjusting screw 6 disposed perpendicular to the axial line of the deep hole 2; one end of the adjusting screw rod 6 is in threaded connection with the moving mechanism 1, and two sides of the other end of the adjusting screw rod are fixedly connected with the driving assembly 41 and the structured light spot source 31 respectively.
In this embodiment, the initial positions of the driving assembly 41 and the structured light spot source 31 are adjusted by adjusting the screwing depth of the adjusting screw 6 in the threaded hole of the moving mechanism 1, so that the center of the initial time is on the theoretical axis of the deep hole 2, thereby satisfying the linearity and profile measurement of the deep holes 2 with different inner diameters and improving the applicability of the detection device.
In some embodiments of the present application, the detection apparatus further includes a lithium battery 8 fixed on the moving mechanism 1, and the lithium battery 8 is electrically connected to the controller 7, the structured light spot source 31, the hub motor 11, the pan/tilt/zoom motor, and the distance measurement sensor 42, respectively, to supply power thereto.
In the embodiment, the lithium battery 8 is used for supplying power to other components, so that the service time of each component is prolonged, the arrangement of power lines is reduced, and the structure of the detection device is simplified.
A deep hole straightness and contour detection method comprises the following steps:
step S1, placing the moving mechanism 1 at a certain axial position in the deep hole 2, starting the structural light spot source 31 and the industrial cameras 321, transmitting light rays emitted by the structural light spot source 31 to the imaging panel 322 along the axial direction of the deep hole 2 to form light spots, and acquiring images of the light spots by using CCD lenses of the two industrial cameras 321.
S2, the upper computer 5 sends a control instruction to the controller 7, and the controller 7 distributes the control instruction to the driving assembly 41, so that the driving assembly 41 drives the ranging sensor 42 to rotate by taking the axis of the deep hole 2 as the center of a circle;
and (3) opening the distance measuring sensor 42, and measuring the distance between the probe of the distance measuring sensor 42 and any bus on the inner wall of the deep hole 2 in real time in the rotating process.
S3, the industrial camera 321 and the ranging sensor 42 send detection data to the upper computer 5 to obtain the axis and the inner contour of the deep hole 2 at the axial position;
s4, the upper computer 5 sends a control instruction to the controller 7, the controller 7 distributes the control instruction to the hub motor 11, and the moving mechanism 1 is driven to move along any straight line in the deep hole 2;
and in the moving process, repeating the steps S1-S3 to obtain the axle center and the inner wall profile of the deep hole 2 at different axial positions.
The controller 7 can respectively control the hub motor 11 and the pan-tilt motor through the first timing/counter and the motor driving module, so that the control precision is ensured; meanwhile, in order to simplify the structure and the detection flow of the detection device, the structured light spot source 31 and the distance measuring sensor 42 are connected with the controller 7, digital signals such as on-off control of the structured light spot source 31 and the distance measuring sensor 42 are input into the upper computer 5, and are transmitted into the controller 7 through wireless communication, so that the on-off control of the structured light spot source 31 and the distance measuring sensor 42 is realized.
The driving assembly 41 drives the distance measuring sensor 42 to rotate by taking the axis of the deep hole 2 as the center of a circle, the distance between a probe of the distance measuring sensor 42 and each point on the inner wall of the deep hole 2 is detected, and the profile of the deep hole 2 at each axial position is obtained; through repeated detection process, obtain centre of a circle position and the circle contour line of a plurality of axial position departments in deep hole 2, can reappear three-dimensional structure, establish the axial lead and the interior contour of deep hole 2 based on this, this detection method does not receive the influence of deep hole part draw ratio, and the testing process is simple, realizes easily, and the testing result is more accurate, more directly perceived.
Meanwhile, the axial position of the deep hole 2 at the axial position can be calculated according to the contour data acquired by the contour detection mechanism 4, the axial position and the detection result of the axial lead detection mechanism 3 are verified mutually, the detection accuracy is improved, and the detection precision is greatly improved through a proper calibration method.
In some embodiments of the present application, the detection method further comprises:
the screwing depth of the adjusting screw 6 in the moving mechanism 1 is adjusted according to the theoretical inner diameter of the deep hole 2, so that the output shaft of the driving assembly 41 and the initial position of the structured light spot source 31 are positioned on the axis of the deep hole 2.
In this embodiment, the screwing depth of the adjusting screw 6 in the moving mechanism 1 is changed, so that the output shaft of the driving assembly 41 and the center of the structured light spot source 31 are forced to be on the theoretical axis of the deep hole 2 at the initial moment, the detection of the deep holes 2 with different inner diameters is met, and the application range of the detection device is expanded.
In some embodiments of the present application, in step S3, the upper computer 5 uses the image capturing module 51 to obtain the detection data, then transmits the detection data to the data processing module 52 for processing, and sends the processing result to the display module 53 for displaying.
In the embodiment, the intelligent data processing process is utilized, the data processing efficiency is improved, a user can conveniently and visually know the quality condition of the deep hole, remedial measures can be taken in time, and the production efficiency and the quality of the deep hole are ensured.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A deep hole straightness accuracy and profile detection device, its characterized in that includes:
the moving mechanism (1), the said moving mechanism (1) can be set up in the said deep hole (2) in a manner of moving along any generatrix of the inboard wall of the deep hole (2);
the axial lead detection mechanism (3), the axial lead detection mechanism (3) comprises a structured light spot source (31) fixed on the moving mechanism (1) and detection assemblies (32) arranged at the hole openings of the deep holes (2) at intervals;
the contour detection mechanism (4) comprises a distance measurement sensor (42) fixed on the moving mechanism (1) and a driving assembly (41) for driving the distance measurement sensor (42) to rotate by taking the axis of the deep hole (2) as the center of a circle;
the initial positions of the structural light spot source (31) and the ranging sensor (42) are located at the axis of the deep hole (2), light emitted by the structural light spot source (31) extends along the axial direction of the deep hole (2) and faces an orifice of the deep hole (2), and a probe of the ranging sensor (42) faces the inner wall of the deep hole (2).
2. A deep hole straightness and profile detection apparatus according to claim 1, wherein the detection assembly (32) comprises:
the imaging panels (322) are arranged at the orifices of the deep holes (2) at intervals and are perpendicular to the axial lead of the deep holes (2);
the two industrial cameras (321) are symmetrically arranged at the outer side of the deep hole (2), and CCD lenses of the two industrial cameras (321) are focused on the imaging panel (322).
3. A deep hole straightness and contour detection device according to claim 1, wherein the detection device further comprises an upper computer (5), and the upper computer (5) is internally provided with:
an image acquisition module (51), wherein the image acquisition module (51) is used for receiving detection data acquired by the detection assembly (32) and the distance measurement sensor (42);
a data processing module (52), wherein the data processing module (52) is used for processing the detection data acquired by the image acquisition module (51);
and the display module (53), wherein the display module (53) is used for displaying the processing result of the detection data.
4. A deep hole straightness and contour detection apparatus according to claim 3, wherein the driving component (41) is a pan-tilt motor;
the detection device also comprises a controller (7) and a hub motor (11) which are arranged on the moving mechanism (1);
the controller (7) is connected with the upper computer (5) through wireless communication to receive a control instruction sent by the upper computer (5);
the holder motor and the hub motor (11) are used for receiving the control instruction transferred by the controller (7) so as to drive the moving mechanism (1) to move and the distance measuring sensor (42) to rotate.
5. The deep hole straightness and contour detection device according to claim 4, wherein the controller (7) is further connected to the distance measuring sensor (42) and the structured light spot source (31), respectively.
6. The deep hole straightness and contour detection device according to claim 1, further comprising an adjusting screw (6) arranged perpendicular to the axial line of the deep hole (2);
one end of the adjusting screw rod (6) is in threaded connection with the moving mechanism (1), and two sides of the other end of the adjusting screw rod are fixedly connected with the driving assembly (41) and the structured light spot source (31) respectively.
7. The deep hole straightness and contour detection device as claimed in claim 4, further comprising a lithium battery (8) fixed on the moving mechanism (1);
the lithium battery (8) is respectively electrically connected with the controller (7), the structured light spot source (31), the hub motor (11), the holder motor and the distance measuring sensor (42) to supply power for the motor.
8. The method for detecting the straightness and the profile of the deep hole by using the device for detecting the straightness and the profile of the deep hole as claimed in any one of claims 1 to 7 is characterized by comprising the following steps:
s1, placing the moving mechanism (1) at a certain axial position in the deep hole (2), starting the structured light spot source (31) and the industrial camera (321), axially transmitting light rays emitted by the structured light spot source (31) to the imaging panel (322) along the deep hole (2) to form light spots, and acquiring images of the light spots by using CCD (charge coupled device) lenses of the two industrial cameras (321);
s2, the upper computer (5) sends a control instruction to the controller (7), the controller (7) distributes the control instruction to the driving assembly (41), and the driving assembly (41) drives the ranging sensor (42) to rotate by taking the axis of the deep hole (2) as the center of a circle;
opening the distance measuring sensor (42), and measuring the distance between a probe of the distance measuring sensor (42) and any bus of the inner wall of the deep hole (2) in real time in the rotating process;
s3, the industrial camera (321) and the ranging sensor (42) send detection data to the upper computer (5) and process and obtain the axis and the inner contour of the deep hole (2) at the axial position;
s4, the upper computer (5) sends a control instruction to the controller (7), the controller (7) distributes the control instruction to the hub motor (11), and the moving mechanism (1) is driven to move along any bus in the deep hole (2);
and in the moving process, repeating the steps S1-S3 to obtain the axle center and the inner wall outline of the deep hole (2) at different axial positions.
9. The method for detecting straightness and profile of a deep hole according to claim 8, wherein before detection, the screwing depth of the adjusting screw (6) in the moving mechanism (1) is further adjusted according to the theoretical inner diameter of the deep hole (2), so as to cause the initial positions of the driving assembly (41) and the structured light spot source (31) to be located on the axis of the deep hole (2).
10. The method for detecting straightness and contour of a deep hole according to claim 8, wherein in the step S3, the upper computer (5) acquires detection data by using an image acquisition module (51), transmits the detection data to a data processing module (52) for processing, and sends a processing result to a display module (53) for displaying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310139095.4A CN115900600B (en) | 2023-02-21 | 2023-02-21 | Deep hole straightness and contour detection device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310139095.4A CN115900600B (en) | 2023-02-21 | 2023-02-21 | Deep hole straightness and contour detection device and detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115900600A true CN115900600A (en) | 2023-04-04 |
| CN115900600B CN115900600B (en) | 2023-05-12 |
Family
ID=85750236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310139095.4A Active CN115900600B (en) | 2023-02-21 | 2023-02-21 | Deep hole straightness and contour detection device and detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115900600B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000258141A (en) * | 1999-03-04 | 2000-09-22 | Hitachi Ltd | Device and method for inspecting inner peripheral surface of closed-end cylindrical member for shape, method for working closed-end cylindrical member, and manufacture of battery |
| CN109163680A (en) * | 2018-08-08 | 2019-01-08 | 重庆理工大学 | A kind of contactless Deep Hole Straightness Test Device and method |
| CN208398824U (en) * | 2018-08-08 | 2019-01-18 | 重庆理工大学 | A kind of contactless deep-hole parts linearity testing apparatus |
| WO2021168838A1 (en) * | 2020-02-28 | 2021-09-02 | 深圳市大疆创新科技有限公司 | Position information determining method, device, and storage medium |
| WO2021196419A1 (en) * | 2020-03-30 | 2021-10-07 | 孙亮 | Metering-level 3d super-depth-of-field microscopic system and measurement method |
| CN113701669A (en) * | 2021-09-26 | 2021-11-26 | 大连工业大学 | Method for quickly and accurately measuring profile characteristics of inner section of deep hole |
-
2023
- 2023-02-21 CN CN202310139095.4A patent/CN115900600B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000258141A (en) * | 1999-03-04 | 2000-09-22 | Hitachi Ltd | Device and method for inspecting inner peripheral surface of closed-end cylindrical member for shape, method for working closed-end cylindrical member, and manufacture of battery |
| CN109163680A (en) * | 2018-08-08 | 2019-01-08 | 重庆理工大学 | A kind of contactless Deep Hole Straightness Test Device and method |
| CN208398824U (en) * | 2018-08-08 | 2019-01-18 | 重庆理工大学 | A kind of contactless deep-hole parts linearity testing apparatus |
| WO2021168838A1 (en) * | 2020-02-28 | 2021-09-02 | 深圳市大疆创新科技有限公司 | Position information determining method, device, and storage medium |
| WO2021196419A1 (en) * | 2020-03-30 | 2021-10-07 | 孙亮 | Metering-level 3d super-depth-of-field microscopic system and measurement method |
| CN113701669A (en) * | 2021-09-26 | 2021-11-26 | 大连工业大学 | Method for quickly and accurately measuring profile characteristics of inner section of deep hole |
Non-Patent Citations (1)
| Title |
|---|
| 于大国;杨俊超;徐文凯;程厚虎;: "深孔直线度检测系统设计与测算", 机械设计与研究 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115900600B (en) | 2023-05-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106091961A (en) | High-rate laser inner diameter measurement system | |
| KR100612834B1 (en) | 3 Dimensional Location Measurement Sensor | |
| KR102084414B1 (en) | 3D scanner and method for scanning thereof | |
| US20200049477A1 (en) | Portable collaborative robotic articulated arm coordinate measuring machine | |
| CN205091463U (en) | Laser radar scans detecting device | |
| CN101270978A (en) | Ranging system, ranging method, electronic device system and remote controller | |
| CN100494884C (en) | Axial workpiece bending deformation planar array CCD measuring method and apparatus | |
| CN107044857A (en) | Asynchronous system map structuring and alignment system and method applied to service robot | |
| CN105698749A (en) | Laser distance measuring sensor | |
| CN109373106B (en) | Adjustable pipeline omnidirectional peeping device | |
| CN115900600A (en) | Deep hole straightness and contour detection device and detection method | |
| CN1312487C (en) | Ultrasonic detecting device and its detecting method | |
| CN203758474U (en) | Tubing measurement equipment | |
| CN213780378U (en) | Portable laser range finder | |
| CN102353352A (en) | Single-camera range measurement system and range measurement method thereof | |
| CN201247051Y (en) | Receiving device for calibration laser emission of spinning axis proper alignment | |
| CN112067619A (en) | Visual peeping instrument for detecting cracks on surface of geological micropore and crack detection method | |
| CN205785062U (en) | A kind of rotary laser scanning sensor | |
| CN113804698B (en) | Self-propelled intelligent pipeline 3D imaging and measuring device and measuring method thereof | |
| CN110763163A (en) | Photoelectric image measuring instrument and measuring method for detecting verticality of large-size workpiece | |
| CN206960650U (en) | A kind of ultrasonic wave three-dimensional image forming apparatus | |
| CN111123368B (en) | Detection device based on underwater low-frequency electric field and underwater detection positioning method | |
| CN210513700U (en) | Detection tool for bearing rotation speed test | |
| CN210269653U (en) | Device capable of measuring pollution degree of optical lens | |
| CN208114598U (en) | A kind of wireless transmission CT system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |